Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.
Average class size
19.97
2025/26
Mainstream classes
37
2025/26
Largest class group
25
2025/26
Classes with 30+ pupils
0
2025/26
Class group metrics trend
Class group metrics by year
Year
Mainstream class pupils
Mainstream classes
Average class size
Largest class
Classes 30+
2019/20
765
39
19.62
34
2
2020/21
730
38
19.21
26
0
2021/22
680
37
18.38
25
0
2022/23
691
36
19.19
26
0
2023/24
679
36
18.86
24
0
2024/25
718
33
21.76
26
0
2025/26
739
37
19.97
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 731 in 2023/24 → 760, +29 pupils.
Biggest loss in a single year: 2021/22: 772 in 2020/21 → 726, -46 pupils.
Largest single-class increase: 5th Class in 2025/26 (84 → 106, +22).
Largest single-class decrease: 5th Class in 2023/24 (104 → 72, -32).
Largest cohort-step gain: 3rd → 4th in 2025/26 (94 → 111, +17).
Largest cohort-step loss: 5th → 6th in 2021/22 (99 → 94, -5).
Overall: 806 (2019/20) → 781 (2025/26), -25.
Summary statistics (class-level data)
Min / max / mean enrolment per class across the available final by-standard years.
Class
Min
Max
Mean
Years
Junior Infants
75
96
82.0
6
Senior Infants
76
101
84.7
6
1st Class
72
99
86.2
6
2nd Class
70
94
83.2
6
3rd Class
66
96
86.7
6
4th Class
70
111
94.7
6
5th Class
72
109
95.7
6
6th Class
81
121
100.2
6
Total
726
806
758.9
7
Total enrolment over time
Total and gender trends use historical records where available. Class-level data starts in 2020/21.
Enrolment by gender over time
Enrolment by class over time
Cohort progression
Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).